J. J. Litzau

Novel pyrolysis-gas chromatography/mass spectrometric techniques for the characterization of chemical additives in portland cement and concrete

E. Barry, A. Jeknavorian, Md. A. Mabud, 1998 .

Isolation and structural characterization of a new tadalafil analog (chloropropanoylpretadalafil) found in a dietary supplement.

Elisa A Nickum, Lisa M Lorenz, S. Kern, 2016, Journal of pharmaceutical and biomedical analysis.

Isolation and structural characterization of a new tadalafil analog (2-hydroxyethylnortadalafil) found in a dietary supplement.

Elisa A Nickum, R. Flurer, S. Kern, 2015, Journal of pharmaceutical and biomedical analysis.

Semi-quantitative determination of designer steroids by high-performance liquid chromatography with ultraviolet detection in the absence of reference material.

Sarah E Voelker, Lisa M Lorenz, Jonathan J Litzau, 2018, Drug testing and analysis.

Isolation and structural characterization of two tadalafil analogs found in dietary supplements.

C. Flurer, J. J. Litzau, Valerie M Toomey, 2012, Journal of pharmaceutical and biomedical analysis.

Forensic Analysis of Stains on Fabric Using Direct Analysis in Real‐time Ionization with High‐Resolution Accurate Mass‐Mass Spectrometry

S. Kern, D. Heitkemper, J. Crowe, 2018, Journal of forensic sciences.